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Biography

Helen O'Sullivan

Helen O'Sullivan

AML Manager | Cayman Islands
+1 345 525-0442 helen.osullivan@harneysfiduciary.com
Biography

Helen is an AML manager in the Compliance Solutions team, with over ten years of experience in the legal and financial sectors across the British Virgin Islands (BVI), the Cayman Islands, and London. Since relocating to the Cayman Islands in 2018, she has specialised in AML/CFT/CPF, project management, and service line development. She currently works within Digital Asset Services, serving as Anti-Money Laundering Compliance Officer (AMLCO), Money Laundering Reporting Officer (MLRO), and Deputy MLRO (DMLRO) for a diverse range of client structures. Her expertise focuses on funds investing in digital assets and fintech, particularly thos ...

Helen is an AML manager in the Compliance Solutions team, with over ten years of experience in the legal and financial sectors across the British Virgin Islands (BVI), the Cayman Islands, and London. Since relocating to the Cayman Islands in 2018, she has specialised in AML/CFT/CPF, project management, and service line development. She currently works within Digital Asset Services, serving as Anti-Money Laundering Compliance Officer (AMLCO), Money Laundering Reporting Officer (MLRO), and Deputy MLRO (DMLRO) for a diverse range of client structures. Her expertise focuses on funds investing in digital assets and fintech, particularly those accepting cryptocurrency subscriptions, and delivering a broad spectrum of digital asset solutions.

Prior to joining Harneys Fiduciary, Helen led AML Officer services for digital asset compliance, focusing on BVI and Cayman digital asset funds. In recognition of her work, she was named among Citywealth’s Top 50 Crypto Professionals and included in the Citywealth Leaders List 2025. Helen is known for her solution-focused approach and has contributed to building and enhancing multiple AML service lines throughout her career.

Helen holds a BSc (Hons) from the University of York. Passionate about enhancing her skills and knowledge in compliance, she also has a diploma in AML from the International Compliance Association (ICA), the Certified AML Fintech Compliance Associate qualification from the Association of Certified Anti-Money Laundering Specialists (ACAMS), Crypto Compliance Specialisation from the Association of Certified Financial Crime Specialists (ACFCS), and the TRM Crypto Compliance Specialist certification from TRM Labs.

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